“Normally, if people have documented receiving two doses of the measles vaccine we would be confident they won’t contract measles, but that’s getting greyer – this research has demonstrated some vaccinated people are getting measles.”

“Anyone who is unsure if they have had two doses of measles vaccine should see their doctor about getting an additional dose. In particular, adults born after 1965 might not have received two doses of measles vaccine during their routine childhood immunisation.”